package c;

public class Member {

	String n[] = new String[10];

	public boolean checkCardNoRepeat(String no) {
		for (int i = 0; i < n.length; i++) {
			if (no.equals(n[i])) {
				return true;
			} else if (n[i] == null) {
				n[i] = no;
				break;
			}
		}
		return false;
	}
}